Yes the cold water is hot in the summer very hot in fact due to the heat of the attic.
Pex in attic.
Safe for potable water pex is the red and blue flexible tubing that s used to make gentle bends around obstructions in your attic and is perfect for adding water supply to hard to reach locations.
It is important to insulate pex pipe in an attic particularly in cold weather areas.
Connect to the to the hot water supply for hot water heater.
Because pex piping is flexible it is often used in angles loops or other non linear shapes which makes it imperative to have equally flexible insulation material.
Foam is used most commonly and generally works well.
Put a bypass before the water heater and run it into the attic.
A wet rag should easily wipe away any visible dirt or debris.
Pex type is forgiving when it freezes as far as breakage but insulating an exposed water line does little to keep it from freezing.
Yes rodents will chew absoultely eveything they step on.
Cross linked polyethylene tubing better known as pex pipe has revolutionized plumbing installations in new home construction and remodeling.
Insulation only slows the time when it will freeze after the water is not running through the pipe.
Pex cpvc poly back in the day even copper in the attics etc.
Working with pex tubing install pex in attic plumbing with pex save on plumbing do it yourself plumbing run pex tubing how to unroll pex tubing.
Up in the attic at the very furthest point you can from connect the cold water to the pex leading from the hot water heater so you can loop it back to the hot water heater.
Pex is available in a variety of lengths from short 10 foot pieces for small repairs to rolls over 500 feet long which are used to install a home s entire water supply system.
While pex does not ordinarily burst in the cold the water in the pipes can still freeze.